Add 'btn-sm' class to download button

The 'btn-sm' class was added to the download button in HistoryButtonListItem.vue to adjust its size. Additionally, a bug was fixed in DownloadButton.vue to correctly reference the 'type' property from 'atVersion'.

src/Bundle/ChillDocStoreBundle/Resources/public/vuejs/StoredObjectButton/DownloadButton.vue

@@ -3,7 +3,7 @@
         <i class="fa fa-download"></i>
         <template v-if="displayActionStringInButton">Télécharger</template>
     </a>
-    <a v-else :class="props.classes" target="_blank" :type="props.storedObject.type" :download="buildDocumentName()" :href="state.href_url" ref="open_button" title="Ouvrir">
+    <a v-else :class="props.classes" target="_blank" :type="props.atVersion.type" :download="buildDocumentName()" :href="state.href_url" ref="open_button" title="Ouvrir">
         <i class="fa fa-external-link"></i>
         <template v-if="displayActionStringInButton">Ouvrir</template>
     </a>

src/Bundle/ChillDocStoreBundle/Resources/public/vuejs/StoredObjectButton/HistoryButton/HistoryButtonListItem.vue

@@ -55,7 +55,7 @@ const classes = computed<{row: true, 'row-hover': true, 'blinking-1': boolean, '
                 <restore-version-button :stored-object-version="props.version" @restore-version="onRestore"></restore-version-button>
             </li>
             <li>
-                <download-button :stored-object="storedObject" :at-version="version" :classes="{btn: true, 'btn-outline-primary': true}" :display-action-string-in-button="false"></download-button>
+                <download-button :stored-object="storedObject" :at-version="version" :classes="{btn: true, 'btn-outline-primary': true, 'btn-sm': true}" :display-action-string-in-button="false"></download-button>
             </li>
         </ul>
     </div>